19406640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7351}}^1$

素因数の和:7378

約数の個数: 80

約数和(自身を含む): 65638656

約数和(自身を除く): 46232016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7351, 14702, 22053, 29404, 36755, 44106, 58808, 73510, 80861, 88212, 110265, 117616, 147020, 161722, 176424, 220530, 242583, 294040, 323444, 352848, 404305, 441060, 485166, 588080, 646888, 808610, 882120, 970332, 1212915, 1293776, 1617220, 1764240, 1940664, 2425830, 3234440, 3881328, 4851660, 6468880, 9703320, 19406640]

約数ペア:

[(1, 19406640), (2, 9703320), (3, 6468880), (4, 4851660), (5, 3881328), (6, 3234440), (8, 2425830), (10, 1940664), (11, 1764240), (12, 1617220), (15, 1293776), (16, 1212915), (20, 970332), (22, 882120), (24, 808610), (30, 646888), (33, 588080), (40, 485166), (44, 441060), (48, 404305), (55, 352848), (60, 323444), (66, 294040), (80, 242583), (88, 220530), (110, 176424), (120, 161722), (132, 147020), (165, 117616), (176, 110265), (220, 88212), (240, 80861), (264, 73510), (330, 58808), (440, 44106), (528, 36755), (660, 29404), (880, 22053), (1320, 14702), (2640, 7351)]